APA-referens (7:e uppl.)

Shropshire, O. E. (1930). How Europeans became Americans. Charles E. Merrill Co..

Chicago-referens (17:e uppl.)

Shropshire, Olive Estil. How Europeans Became Americans. New York : Chicago: Charles E. Merrill Co., 1930.

MLA-referens (8:e uppl.)

Shropshire, Olive Estil. How Europeans Became Americans. Charles E. Merrill Co., 1930.